<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>首页</title>
    <style type="text/css">
      body {
        margin: 0 20px;
        line-height: 1;
      }
      a {
        text-decoration-line: none;
      }
      .title-wrapper {
        padding: 15px 0;
        border-top: 1px solid #ccc;
      }
      .title-wrapper .title {
        font-size: 20px;
        font-weight: bold;
      }
      .title-wrapper .info-wrapper span,
      .title-wrapper .info-wrapper a {
        font-size: 14px;
        color: #999;
      }
    </style>
  </head>
  <body>
    <h1>博客首页</h1>
    <div id="blog-container"></div>

    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
    <script src="https://cdn.bootcss.com/moment.js/2.23.0/moment.min.js"></script>
    <script src="https://cdn.bootcss.com/moment.js/2.23.0/locale/zh-cn.js"></script>
    <script>
      // 发送 get 请求
      function get(url) {
        return $.get(url);
      }

      // 显示格式化的时间
      function getFormatDate(dt) {
        return moment(Number(dt)).format('LL');
      }

      // 获取 url 参数
      function getUrlParams() {
        let paramStr = location.href.split('?')[1] || '';
        paramStr = paramStr.split('#')[0];
        const result = {};
        paramStr.split('&').forEach(itemStr => {
          const arr = itemStr.split('=');
          const key = arr[0];
          const val = arr[1];
          result[key] = val;
        });
        return result;
      }

      // 获取 dom 元素
      const $container = $('#blog-container');

      // 拼接接口 url
      let url = '/api/blog/list';
      const urlParams = getUrlParams();
      if (urlParams.author) {
        url += '?author=' + urlParams.author;
      }

      // 加载数据
      get(url).then(res => {
        if (res.code !== 0) {
          alert('数据错误');
          return;
        }

        // 遍历博客列表，并显示
        const data = res.data || [];
        data.forEach(item => {
          $container.append(
            $(`
              <div class="title-wrapper">
                <p class="title">
                  <a href="/detail.html?id=${item.id}" target="_blank">${item.title}</a>
                </p>
                <div class="info-wrapper">
                  <span>
                    <a href="/index.html?author=${item.author}">${item.author}</a>
                  </span>
                  <span>${getFormatDate(item.createtime)}</span>
                </div>
              </div>
            `)
          );
        });
      });
    </script>
  </body>
</html>
